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103431 = 3231499
BaseRepresentation
bin11001010000000111
312020212210
4121100013
511302211
62114503
7610356
oct312007
9166783
10103431
1170789
124ba33
1338103
142999d
15209a6
hex19407

103431 has 8 divisors (see below), whose sum is σ = 144000. Its totient is φ = 65912.

The previous prime is 103423. The next prime is 103451. The reversal of 103431 is 134301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103431 - 23 = 103423 is a prime.

It is a super-2 number, since 2×1034312 = 21395943522, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103431.

It is not an unprimeable number, because it can be changed into a prime (103421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681 + ... + 818.

It is an arithmetic number, because the mean of its divisors is an integer number (18000).

2103431 is an apocalyptic number.

103431 is a deficient number, since it is larger than the sum of its proper divisors (40569).

103431 is a wasteful number, since it uses less digits than its factorization.

103431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 103431 is about 321.6069029110. The cubic root of 103431 is about 46.9407734435.

Adding to 103431 its reverse (134301), we get a palindrome (237732).

The spelling of 103431 in words is "one hundred three thousand, four hundred thirty-one".

Divisors: 1 3 23 69 1499 4497 34477 103431